=head1 NAME

Web::URL::Scheme - URL scheme properties

=head1 SYNOPSIS

  use Web::URL::Scheme;
  warn get_default_port 'http'; # 80

=head1 DESCRIPTION

The C<Web::URL::Scheme> module provides access to properties of URL
schemes.

=head1 FUNCTION

There is the following function, exported by default:

=over 4

=item $port = get_default_port $scheme

Return the default port <https://url.spec.whatwg.org/#default-port>
for the scheme.  The argument must be a canonicalized (lowercase) URL
scheme name, without C<:> delimiter.  If no default port is defined
for the scheme, C<undef> is returned.

=back

=head1 SPECIFICATION

URL Standard <https://url.spec.whatwg.org/>.

=head1 AUTHOR

Wakaba <wakaba@suikawiki.org>.

=head1 LICENSE

Copyright 2011-2016 Wakaba <wakaba@suikawiki.org>.

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut